Big Horn Wyoming Climate Data

Monthly Average Climate Data for Big Horn Wyoming

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.2 °F36.4 °F0.78 in.
February13.9 °F38.0 °F0.93 in.
March22.4 °F48.1 °F1.55 in.
April30.2 °F55.3 °F2.48 in.
May39.4 °F64.1 °F3.65 in.
June48.1 °F74.9 °F2.27 in.
July54.2 °F85.2 °F1.34 in.
August51.8 °F84.2 °F1.03 in.
September43.1 °F73.7 °F1.73 in.
October31.5 °F58.8 °F2.02 in.
November20.8 °F46.6 °F1.03 in.
December12.7 °F36.8 °F0.7 in.
Annual31.7 °F58.5 °F19.51 in.

Climate Data for Big Horn Wyoming

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateJun. 1 - Jun. 10
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year